angular-docs-cn/packages/compiler-cli/test/compliance/r3_compiler_compliance_spec.ts

2152 lines
71 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {AttributeMarker, InitialStylingFlags} from '@angular/compiler/src/core';
import {setup} from '@angular/compiler/test/aot/test_util';
import {compile, expectEmit} from './mock_compile';
/* These tests are codified version of the tests in compiler_canonical_spec.ts. Every
* test in compiler_canonical_spec.ts should have a corresponding test here.
*/
describe('compiler compliance', () => {
const angularFiles = setup({
compileAngular: false,
compileAnimations: false,
compileFakeCore: true,
});
describe('elements', () => {
it('should handle SVG', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div class="my-app" title="Hello"><svg><circle cx="20" cy="30" r="50"/></svg><p>test</p></div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
// The factory should look like this:
const factory =
'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }';
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
const $c1$ = ["title", "Hello"];
const $c2$ = ["my-app", ${InitialStylingFlags.VALUES_MODE}, "my-app", true];
const $c3$ = ["cx", "20", "cy", "30", "r", "50"];
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "div", $c1$);
$r3$.ɵelementStyling($c2$);
$r3$.ɵnamespaceSVG();
$r3$.ɵelementStart(1, "svg");
$r3$.ɵelement(2, "circle", $c3$);
$r3$.ɵelementEnd();
$r3$.ɵnamespaceHTML();
$r3$.ɵelementStart(3, "p");
$r3$.ɵtext(4, "test");
$r3$.ɵelementEnd();
$r3$.ɵelementEnd();
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
it('should handle MathML', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div class="my-app" title="Hello"><math><infinity/></math><p>test</p></div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
// The factory should look like this:
const factory =
'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }';
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
const $c1$ = ["title", "Hello"];
const $c2$ = ["my-app", ${InitialStylingFlags.VALUES_MODE}, "my-app", true];
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "div", $c1$);
$r3$.ɵelementStyling($c2$);
$r3$.ɵnamespaceMathML();
$r3$.ɵelementStart(1, "math");
$r3$.ɵelement(2, "infinity");
$r3$.ɵelementEnd();
$r3$.ɵnamespaceHTML();
$r3$.ɵelementStart(3, "p");
$r3$.ɵtext(4, "test");
$r3$.ɵelementEnd();
$r3$.ɵelementEnd();
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
it('should translate DOM structure', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div class="my-app" title="Hello">Hello <b>World</b>!</div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
// The factory should look like this:
const factory =
'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }';
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
const $c1$ = ["title", "Hello"];
const $c2$ = ["my-app", ${InitialStylingFlags.VALUES_MODE}, "my-app", true];
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "div", $c1$);
$r3$.ɵelementStyling($c2$);
$r3$.ɵtext(1, "Hello ");
$r3$.ɵelementStart(2, "b");
$r3$.ɵtext(3, "World");
$r3$.ɵelementEnd();
$r3$.ɵtext(4, "!");
$r3$.ɵelementEnd();
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
// TODO(https://github.com/angular/angular/issues/24426): We need to support the parser actually
// building the proper attributes based off of xmlns atttribuates.
xit('should support namspaced attributes', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div xmlns:foo="http://someuri/foo" class="my-app" foo:bar="baz" title="Hello" foo:qux="quacks">Hello <b>World</b>!</div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
// The factory should look like this:
const factory =
'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }';
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
const $e0_attrs$ = ["class", "my-app", 0, "http://someuri/foo", "foo:bar", "baz", "title", "Hello", 0, "http://someuri/foo", "foo:qux", "quacks"];
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "div", $e0_attrs$);
$r3$.ɵtext(1, "Hello ");
$r3$.ɵelementStart(2, "b");
$r3$.ɵtext(3, "World");
$r3$.ɵelementEnd();
$r3$.ɵtext(4, "!");
$r3$.ɵelementEnd();
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
it('should support <ng-container>', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<ng-container><span>in a </span>container</ng-container>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
i0.ɵEC(0);
i0.ɵelementStart(1, "span");
i0.ɵtext(2, "in a ");
i0.ɵelementEnd();
i0.ɵtext(3, "container");
i0.ɵeC();
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should generate elementContainerStart/End instructions for empty <ng-container>', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<ng-container></ng-container>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
// The template should look like this (where IDENT is a wild card for an identifier):
const template = `
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
i0.ɵEC(0);
i0.ɵeC();
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
it('should bind to element properties', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [id]="id"></div>\`
})
export class MyComponent {
id = 'one';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const factory =
'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }';
const template = `
const $e0_attrs$ = [${AttributeMarker.SelectOnly}, "id"];
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "div", $e0_attrs$);
}
if (rf & 2) {
$r3$.ɵelementProperty(0, "id", $r3$.ɵbind(ctx.id));
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
it('should reserve slots for pure functions', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div
[ternary]="cond ? [a] : [0]"
[pipe]="value | pipe:1:2"
[and]="cond && [b]"
[or]="cond || [c]"
></div>\`
})
export class MyComponent {
id = 'one';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const $e0_attrs$ = [];
const factory =
'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }';
const template = `
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "div", $e0_attrs$);
$r3$.ɵpipe(1,"pipe");
}
if (rf & 2) {
$r3$.ɵelementProperty(0, "ternary", $r3$.ɵbind((ctx.cond ? $r3$.ɵpureFunction1(8, $c0$, ctx.a): $c1$)));
$r3$.ɵelementProperty(0, "pipe", $r3$.ɵbind($r3$.ɵpipeBind3(1, 4, ctx.value, 1, 2)));
$r3$.ɵelementProperty(0, "and", $r3$.ɵbind((ctx.cond && $r3$.ɵpureFunction1(10, $c0$, ctx.b))));
$r3$.ɵelementProperty(0, "or", $r3$.ɵbind((ctx.cond || $r3$.ɵpureFunction1(12, $c0$, ctx.c))));
}
}
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
it('should bind to class and style names', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`<div [class.error]="error" [style.background-color]="color"></div>\`
})
export class MyComponent {
error = true;
color = 'red';
}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const factory =
'factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); }';
const template = `
const _c0 = ["error"];
const _c1 = ["background-color"];
MyComponent.ngComponentDef = i0.ɵdefineComponent({type:MyComponent,selectors:[["my-component"]],
factory: function MyComponent_Factory(t){
return new (t || MyComponent)();
},
features: [$r3$.ɵPublicFeature],
consts: 1,
vars: 0,
template: function MyComponent_Template(rf,ctx){
if (rf & 1) {
$r3$.ɵelementStart(0, "div");
$r3$.ɵelementStyling(_c0, _c1);
$r3$.ɵelementEnd();
}
if (rf & 2) {
$r3$.ɵelementStylingProp(0, 0, ctx.color);
$r3$.ɵelementClassProp(0, 0, ctx.error);
$r3$.ɵelementStylingApply(0);
}
}
});
`;
const result = compile(files, angularFiles);
expectEmit(result.source, factory, 'Incorrect factory');
expectEmit(result.source, template, 'Incorrect template');
});
});
describe('components & directives', () => {
it('should instantiate directives', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule} from '@angular/core';
@Component({selector: 'child', template: 'child-view'})
export class ChildComponent {}
@Directive({selector: '[some-directive]'})
export class SomeDirective {}
@Component({selector: 'my-component', template: '<child some-directive></child>!'})
export class MyComponent {}
@NgModule({declarations: [ChildComponent, SomeDirective, MyComponent]})
export class MyModule{}
`
}
};
// ChildComponent definition should be:
const ChildComponentDefinition = `
ChildComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: ChildComponent,
selectors: [["child"]],
factory: function ChildComponent_Factory(t) { return new (t || ChildComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 1,
vars: 0,
template: function ChildComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵtext(0, "child-view");
}
}
});`;
// SomeDirective definition should be:
const SomeDirectiveDefinition = `
SomeDirective.ngDirectiveDef = $r3$.ɵdefineDirective({
type: SomeDirective,
selectors: [["", "some-directive", ""]],
factory: function SomeDirective_Factory(t) {return new (t || SomeDirective)(); },
features: [$r3$.ɵPublicFeature]
});
`;
// MyComponent definition should be:
const MyComponentDefinition = `
const $c1$ = ["some-directive", ""];
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 2,
vars: 0,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "child", $c1$);
$r3$.ɵtext(1, "!");
}
},
directives: [ChildComponent, SomeDirective]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, ChildComponentDefinition, 'Incorrect ChildComponent.ngComponentDef');
expectEmit(source, SomeDirectiveDefinition, 'Incorrect SomeDirective.ngDirectiveDef');
expectEmit(source, MyComponentDefinition, 'Incorrect MyComponentDefinition.ngComponentDef');
});
it('should support complex selectors', () => {
const files = {
app: {
'spec.ts': `
import {Directive, NgModule} from '@angular/core';
@Directive({selector: 'div.foo[some-directive]:not([title]):not(.baz)'})
export class SomeDirective {}
@Directive({selector: ':not(span[title]):not(.baz)'})
export class OtherDirective {}
@NgModule({declarations: [SomeDirective, OtherDirective]})
export class MyModule{}
`
}
};
// SomeDirective definition should be:
const SomeDirectiveDefinition = `
SomeDirective.ngDirectiveDef = $r3$.ɵdefineDirective({
type: SomeDirective,
selectors: [["div", "some-directive", "", 8, "foo", 3, "title", "", 9, "baz"]],
factory: function SomeDirective_Factory(t) {return new (t || SomeDirective)(); },
features: [$r3$.ɵPublicFeature]
});
`;
// OtherDirective definition should be:
const OtherDirectiveDefinition = `
OtherDirective.ngDirectiveDef = $r3$.ɵdefineDirective({
type: OtherDirective,
selectors: [["", 5, "span", "title", "", 9, "baz"]],
factory: function OtherDirective_Factory(t) {return new (t || OtherDirective)(); },
features: [$r3$.ɵPublicFeature]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, SomeDirectiveDefinition, 'Incorrect SomeDirective.ngDirectiveDef');
expectEmit(source, OtherDirectiveDefinition, 'Incorrect OtherDirective.ngDirectiveDef');
});
it('should support host bindings', () => {
const files = {
app: {
'spec.ts': `
import {Directive, HostBinding, NgModule} from '@angular/core';
@Directive({selector: '[hostBindingDir]'})
export class HostBindingDir {
@HostBinding('id') dirId = 'some id';
}
@NgModule({declarations: [HostBindingDir]})
export class MyModule {}
`
}
};
const HostBindingDirDeclaration = `
HostBindingDir.ngDirectiveDef = $r3$.ɵdefineDirective({
type: HostBindingDir,
selectors: [["", "hostBindingDir", ""]],
factory: function HostBindingDir_Factory(t) { return new (t || HostBindingDir)(); },
hostBindings: function HostBindingDir_HostBindings(dirIndex, elIndex) {
$r3$.ɵelementProperty(elIndex, "id", $r3$.ɵbind($r3$.ɵloadDirective(dirIndex).dirId));
},
hostVars: 1,
features: [$r3$.ɵPublicFeature]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, HostBindingDirDeclaration, 'Invalid host binding code');
});
it('should support host bindings with pure functions', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'host-binding-comp',
host: {
'[id]': '["red", id]'
},
template: ''
})
export class HostBindingComp {
id = 'some id';
}
@NgModule({declarations: [HostBindingComp]})
export class MyModule {}
`
}
};
const HostBindingCompDeclaration = `
const $ff$ = function ($v$) { return ["red", $v$]; };
HostBindingComp.ngComponentDef = $r3$.ɵdefineComponent({
type: HostBindingComp,
selectors: [["host-binding-comp"]],
factory: function HostBindingComp_Factory(t) { return new (t || HostBindingComp)(); },
hostBindings: function HostBindingComp_HostBindings(dirIndex, elIndex) {
$r3$.ɵelementProperty(elIndex, "id", $r3$.ɵbind($r3$.ɵpureFunction1(1, $ff$, $r3$.ɵloadDirective(dirIndex).id)));
},
hostVars: 3,
features: [$r3$.ɵPublicFeature],
consts: 0,
vars: 0,
template: function HostBindingComp_Template(rf, ctx) {}
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, HostBindingCompDeclaration, 'Invalid host binding code');
});
it('should support structural directives', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule, TemplateRef} from '@angular/core';
@Directive({selector: '[if]'})
export class IfDirective {
constructor(template: TemplateRef<any>) { }
}
@Component({
selector: 'my-component',
template: '<ul #foo><li *if>{{salutation}} {{foo}}</li></ul>'
})
export class MyComponent {
salutation = 'Hello';
}
@NgModule({declarations: [IfDirective, MyComponent]})
export class MyModule {}
`
}
};
const IfDirectiveDefinition = `
IfDirective.ngDirectiveDef = $r3$.ɵdefineDirective({
type: IfDirective,
selectors: [["", "if", ""]],
factory: function IfDirective_Factory(t) { return new (t || IfDirective)($r3$.ɵinjectTemplateRef()); },
features: [$r3$.ɵPublicFeature]
});`;
const MyComponentDefinition = `
const $c1$ = ["foo", ""];
const $c2$ = ["if", ""];
function MyComponent_li_Template_2(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "li");
$r3$.ɵtext(1);
$r3$.ɵelementEnd();
}
if (rf & 2) {
const $myComp$ = $r3$.ɵnextContext();
const $foo$ = $r3$.ɵreference(1);
$r3$.ɵtextBinding(1, $r3$.ɵinterpolation2("", $myComp$.salutation, " ", $foo$, ""));
}
}
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 3,
vars: 0,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "ul", null, $c1$);
$r3$.ɵtemplate(2, MyComponent_li_Template_2, 2, 2, null, $c2$);
$r3$.ɵelementEnd();
}
},
directives:[IfDirective]
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, IfDirectiveDefinition, 'Incorrect IfDirective.ngDirectiveDef');
expectEmit(source, MyComponentDefinition, 'Incorrect MyComponent.ngComponentDef');
});
describe('value composition', () => {
it('should support array literals', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
@Component({
selector: 'my-comp',
template: \`
<p>{{ names[0] }}</p>
<p>{{ names[1] }}</p>
\`
})
export class MyComp {
@Input() names: string[];
}
@Component({
selector: 'my-app',
template: \`
<my-comp [names]="['Nancy', customName]"></my-comp>
\`
})
export class MyApp {
customName = 'Bess';
}
@NgModule({declarations: [MyComp, MyApp]})
export class MyModule { }
`
}
};
const MyAppDeclaration = `
const $e0_attrs$ = [${AttributeMarker.SelectOnly}, "names"];
const $e0_ff$ = function ($v$) { return ["Nancy", $v$]; };
MyApp.ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [["my-app"]],
factory: function MyApp_Factory(t) { return new (t || MyApp)(); },
features: [$r3$.ɵPublicFeature],
consts: 1,
vars: 3,
template: function MyApp_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "my-comp", $e0_attrs$);
}
if (rf & 2) {
$r3$.ɵelementProperty(0, "names", $r3$.ɵbind($r3$.ɵpureFunction1(1, $e0_ff$, ctx.customName)));
}
},
directives: [MyComp]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyAppDeclaration, 'Invalid array emit');
});
it('should support 9+ bindings in array literals', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
@Component({
selector: 'my-comp',
template: \`
{{ names[0] }}
{{ names[1] }}
{{ names[3] }}
{{ names[4] }}
{{ names[5] }}
{{ names[6] }}
{{ names[7] }}
{{ names[8] }}
{{ names[9] }}
{{ names[10] }}
{{ names[11] }}
\`
})
export class MyComp {
@Input() names: string[];
}
@Component({
selector: 'my-app',
template: \`
<my-comp [names]="['start-', n0, n1, n2, n3, n4, '-middle-', n5, n6, n7, n8, '-end']">
</my-comp>
\`
})
export class MyApp {
n0 = 'a';
n1 = 'b';
n2 = 'c';
n3 = 'd';
n4 = 'e';
n5 = 'f';
n6 = 'g';
n7 = 'h';
n8 = 'i';
}
@NgModule({declarations: [MyComp, MyApp]})
export class MyModule {}
`
}
};
const MyAppDefinition = `
const $e0_attr$ = [${AttributeMarker.SelectOnly}, "names"];
const $e0_ff$ = function ($v0$, $v1$, $v2$, $v3$, $v4$, $v5$, $v6$, $v7$, $v8$) {
return ["start-", $v0$, $v1$, $v2$, $v3$, $v4$, "-middle-", $v5$, $v6$, $v7$, $v8$, "-end"];
}
MyApp.ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [["my-app"]],
factory: function MyApp_Factory(t) { return new (t || MyApp)(); },
features: [$r3$.ɵPublicFeature],
consts: 1,
vars: 11,
template: function MyApp_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "my-comp", $e0_attr$);
}
if (rf & 2) {
$r3$.ɵelementProperty(
0, "names",
$r3$.ɵbind($r3$.ɵpureFunctionV(1, $e0_ff$, [ctx.n0, ctx.n1, ctx.n2, ctx.n3, ctx.n4, ctx.n5, ctx.n6, ctx.n7, ctx.n8])));
}
},
directives: [MyComp]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyAppDefinition, 'Invalid array binding');
});
it('should support object literals', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
@Component({
selector: 'object-comp',
template: \`
<p> {{ config['duration'] }} </p>
<p> {{ config.animation }} </p>
\`
})
export class ObjectComp {
@Input() config: {[key: string]: any};
}
@Component({
selector: 'my-app',
template: \`
<object-comp [config]="{'duration': 500, animation: name}"></object-comp>
\`
})
export class MyApp {
name = 'slide';
}
@NgModule({declarations: [ObjectComp, MyApp]})
export class MyModule {}
`
}
};
const MyAppDefinition = `
const $e0_attrs$ = [${AttributeMarker.SelectOnly}, "config"];
const $e0_ff$ = function ($v$) { return {"duration": 500, animation: $v$}; };
MyApp.ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [["my-app"]],
factory: function MyApp_Factory(t) { return new (t || MyApp)(); },
features: [$r3$.ɵPublicFeature],
consts: 1,
vars: 3,
template: function MyApp_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "object-comp", $e0_attrs$);
}
if (rf & 2) {
$r3$.ɵelementProperty(0, "config", $r3$.ɵbind($r3$.ɵpureFunction1(1, $e0_ff$, ctx.name)));
}
},
directives: [ObjectComp]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyAppDefinition, 'Invalid object literal binding');
});
it('should support expressions nested deeply in object/array literals', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
@Component({
selector: 'nested-comp',
template: \`
<p> {{ config.animation }} </p>
<p> {{config.actions[0].opacity }} </p>
<p> {{config.actions[1].duration }} </p>
\`
})
export class NestedComp {
@Input() config: {[key: string]: any};
}
@Component({
selector: 'my-app',
template: \`
<nested-comp [config]="{animation: name, actions: [{ opacity: 0, duration: 0}, {opacity: 1, duration: duration }]}">
</nested-comp>
\`
})
export class MyApp {
name = 'slide';
duration = 100;
}
@NgModule({declarations: [NestedComp, MyApp]})
export class MyModule {}
`
}
};
const MyAppDefinition = `
const $e0_attrs$ = [${AttributeMarker.SelectOnly}, "config"];
const $c0$ = {opacity: 0, duration: 0};
const $e0_ff$ = function ($v$) { return {opacity: 1, duration: $v$}; };
const $e0_ff_1$ = function ($v$) { return [$c0$, $v$]; };
const $e0_ff_2$ = function ($v1$, $v2$) { return {animation: $v1$, actions: $v2$}; };
MyApp.ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [["my-app"]],
factory: function MyApp_Factory(t) { return new (t || MyApp)(); },
features: [$r3$.ɵPublicFeature],
consts: 1,
vars: 8,
template: function MyApp_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "nested-comp", $e0_attrs$);
}
if (rf & 2) {
$r3$.ɵelementProperty(
0, "config",
$r3$.ɵbind($r3$.ɵpureFunction2(5, $e0_ff_2$, ctx.name, $r3$.ɵpureFunction1(3, $e0_ff_1$, $r3$.ɵpureFunction1(1, $e0_ff$, ctx.duration)))));
}
},
directives: [NestedComp]
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyAppDefinition, 'Invalid array/object literal binding');
});
});
it('should support content projection', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule, TemplateRef} from '@angular/core';
@Component({selector: 'simple', template: '<div><ng-content></ng-content></div>'})
export class SimpleComponent {}
@Component({
selector: 'complex',
template: \`
<div id="first"><ng-content select="span[title=toFirst]"></ng-content></div>
<div id="second"><ng-content select="span[title=toSecond]"></ng-content></div>\`
})
export class ComplexComponent { }
@NgModule({declarations: [SimpleComponent, ComplexComponent]})
export class MyModule {}
@Component({
selector: 'my-app',
template: '<simple>content</simple> <complex></complex>'
})
export class MyApp {}
`
}
};
const SimpleComponentDefinition = `
SimpleComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: SimpleComponent,
selectors: [["simple"]],
factory: function SimpleComponent_Factory(t) { return new (t || SimpleComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 2,
vars: 0,
template: function SimpleComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵprojectionDef();
$r3$.ɵelementStart(0, "div");
$r3$.ɵprojection(1);
$r3$.ɵelementEnd();
}
}
});`;
const ComplexComponentDefinition = `
const $c1$ = [[["span", "title", "tofirst"]], [["span", "title", "tosecond"]]];
const $c2$ = ["span[title=toFirst]", "span[title=toSecond]"];
const $c3$ = ["id","first"];
const $c4$ = ["id","second"];
ComplexComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: ComplexComponent,
selectors: [["complex"]],
factory: function ComplexComponent_Factory(t) { return new (t || ComplexComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 4,
vars: 0,
template: function ComplexComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵprojectionDef($c1$, $c2$);
$r3$.ɵelementStart(0, "div", $c3$);
$r3$.ɵprojection(1, 1);
$r3$.ɵelementEnd();
$r3$.ɵelementStart(2, "div", $c4$);
$r3$.ɵprojection(3, 2);
$r3$.ɵelementEnd();
}
}
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(result.source, SimpleComponentDefinition, 'Incorrect SimpleComponent definition');
expectEmit(
result.source, ComplexComponentDefinition, 'Incorrect ComplexComponent definition');
});
describe('queries', () => {
const directive = {
'some.directive.ts': `
import {Directive} from '@angular/core';
@Directive({
selector: '[someDir]',
})
export class SomeDirective { }
`
};
it('should support view queries', () => {
const files = {
app: {
...directive,
'view_query.component.ts': `
import {Component, NgModule, ViewChild} from '@angular/core';
import {SomeDirective} from './some.directive';
@Component({
selector: 'view-query-component',
template: \`
<div someDir></div>
\`
})
export class ViewQueryComponent {
@ViewChild(SomeDirective) someDir: SomeDirective;
}
@NgModule({declarations: [SomeDirective, ViewQueryComponent]})
export class MyModule {}
`
}
};
const ViewQueryComponentDefinition = `
const $e0_attrs$ = ["someDir",""];
ViewQueryComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: ViewQueryComponent,
selectors: [["view-query-component"]],
factory: function ViewQueryComponent_Factory(t) { return new (t || ViewQueryComponent)(); },
features: [$r3$.ɵPublicFeature],
viewQuery: function ViewQueryComponent_Query(rf, ctx) {
if (rf & 1) {
$r3$.ɵquery(0, SomeDirective, true);
}
if (rf & 2) {
var $tmp$;
($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵload(0))) && (ctx.someDir = $tmp$.first));
}
},
consts: 2,
vars: 0,
template: function ViewQueryComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(1, "div", $e0_attrs$);
}
},
directives: function () { return [SomeDirective]; }
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, ViewQueryComponentDefinition, 'Invalid ViewQuery declaration');
});
it('should support content queries', () => {
const files = {
app: {
...directive,
'spec.ts': `
import {Component, ContentChild, ContentChildren, NgModule, QueryList} from '@angular/core';
import {SomeDirective} from './some.directive';
@Component({
selector: 'content-query-component',
template: \`
<div><ng-content></ng-content></div>
\`
})
export class ContentQueryComponent {
@ContentChild(SomeDirective) someDir: SomeDirective;
@ContentChildren(SomeDirective) someDirList !: QueryList<SomeDirective>;
}
@Component({
selector: 'my-app',
template: \`
<content-query-component>
<div someDir></div>
</content-query-component>
\`
})
export class MyApp { }
@NgModule({declarations: [SomeDirective, ContentQueryComponent, MyApp]})
export class MyModule { }
`
}
};
const ContentQueryComponentDefinition = `
ContentQueryComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: ContentQueryComponent,
selectors: [["content-query-component"]],
factory: function ContentQueryComponent_Factory(t) {
return new (t || ContentQueryComponent)();
},
contentQueries: function ContentQueryComponent_ContentQueries() {
$r3$.ɵregisterContentQuery($r3$.ɵquery(null, SomeDirective, true));
$r3$.ɵregisterContentQuery($r3$.ɵquery(null, SomeDirective, false));
},
contentQueriesRefresh: function ContentQueryComponent_ContentQueriesRefresh(dirIndex, queryStartIndex) {
const instance = $r3$.ɵloadDirective(dirIndex);
var $tmp$;
($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList(queryStartIndex))) && ($instance$.someDir = $tmp$.first));
($r3$.ɵqueryRefresh(($tmp$ = $r3$.ɵloadQueryList((queryStartIndex + 1)))) && ($instance$.someDirList = $tmp$));
},
features: [$r3$.ɵPublicFeature],
consts: 2,
vars: 0,
template: function ContentQueryComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵprojectionDef();
$r3$.ɵelementStart(0, "div");
$r3$.ɵprojection(1);
$r3$.ɵelementEnd();
}
}
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, ContentQueryComponentDefinition, 'Invalid ContentQuery declaration');
});
});
describe('pipes', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, Pipe, PipeTransform, OnDestroy} from '@angular/core';
@Pipe({
name: 'myPipe',
pure: false
})
export class MyPipe implements PipeTransform,
OnDestroy {
transform(value: any, ...args: any[]) { return value; }
ngOnDestroy(): void { }
}
@Pipe({
name: 'myPurePipe',
pure: true,
})
export class MyPurePipe implements PipeTransform {
transform(value: any, ...args: any[]) { return value; }
}
@Component({
selector: 'my-app',
template: '{{name | myPipe:size | myPurePipe:size }}<p>{{ name | myPipe:1:2:3:4:5 }}</p>'
})
export class MyApp {
name = 'World';
size = 0;
}
@NgModule({declarations:[MyPipe, MyPurePipe, MyApp]})
export class MyModule {}
`
}
};
it('should render pipes', () => {
const MyPipeDefinition = `
MyPipe.ngPipeDef = $r3$.ɵdefinePipe({
name: "myPipe",
type: MyPipe,
factory: function MyPipe_Factory(t) { return new (t || MyPipe)(); },
pure: false
});
`;
const MyPurePipeDefinition = `
MyPurePipe.ngPipeDef = $r3$.ɵdefinePipe({
name: "myPurePipe",
type: MyPurePipe,
factory: function MyPurePipe_Factory(t) { return new (t || MyPurePipe)(); },
pure: true
});`;
const MyAppDefinition = `
const $c0$ = function ($a0$) {
return [$a0$, 1, 2, 3, 4, 5];
};
// ...
MyApp.ngComponentDef = $r3$.ɵdefineComponent({
type: MyApp,
selectors: [["my-app"]],
factory: function MyApp_Factory(t) { return new (t || MyApp)(); },
features: [$r3$.ɵPublicFeature],
consts: 6,
vars: 17,
template: function MyApp_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵtext(0);
$r3$.ɵpipe(1, "myPurePipe");
$r3$.ɵpipe(2, "myPipe");
$r3$.ɵelementStart(3, "p");
$r3$.ɵtext(4);
$r3$.ɵpipe(5, "myPipe");
$r3$.ɵelementEnd();
}
if (rf & 2) {
$r3$.ɵtextBinding(0, $r3$.ɵinterpolation1("", $r3$.ɵpipeBind2(1, 2, $r3$.ɵpipeBind2(2, 5, ctx.name, ctx.size), ctx.size), ""));
$r3$.ɵtextBinding(4, $r3$.ɵinterpolation1("", $r3$.ɵpipeBindV(5, 8, $r3$.ɵpureFunction1(15, $c0$, ctx.name)), ""));
}
},
pipes: [MyPurePipe, MyPipe]
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyPipeDefinition, 'Invalid pipe definition');
expectEmit(source, MyPurePipeDefinition, 'Invalid pure pipe definition');
expectEmit(source, MyAppDefinition, 'Invalid MyApp definition');
});
});
it('local reference', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({selector: 'my-component', template: '<input #user>Hello {{user.value}}!'})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const MyComponentDefinition = `
const $c1$ = ["user", ""];
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 3,
vars: 1,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "input", null, $c1$);
$r3$.ɵtext(2);
}
if (rf & 2) {
const $user$ = $r3$.ɵreference(1);
$r3$.ɵtextBinding(2, $r3$.ɵinterpolation1("Hello ", $user$.value, "!"));
}
}
});
`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Incorrect MyComponent.ngComponentDef');
});
it('local references in nested views', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule, TemplateRef} from '@angular/core';
@Directive({selector: '[if]'})
export class IfDirective {
constructor(template: TemplateRef<any>) { }
}
@Component({
selector: 'my-component',
template: \`
<div #foo></div>
{{foo}}
<div *if>
{{foo}}-{{bar}}
<span *if>{{foo}}-{{bar}}-{{baz}}</span>
<span #bar></span>
</div>
<div #baz></div>
\`
})
export class MyComponent {}
@NgModule({declarations: [IfDirective, MyComponent]})
export class MyModule {}
`
}
};
const MyComponentDefinition = `
const $c1$ = ["foo", ""];
const $c2$ = ["if", ""];
const $c3$ = ["baz", ""];
const $c4$ = ["bar", ""];
function MyComponent_div_span_Template_2(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "span");
$r3$.ɵtext(1);
$r3$.ɵelementEnd();
}
if (rf & 2) {
$r3$.ɵnextContext();
const $bar$ = $r3$.ɵreference(4);
$r3$.ɵnextContext();
const $foo$ = $r3$.ɵreference(1);
const $baz$ = $r3$.ɵreference(5);
$r3$.ɵtextBinding(1, $r3$.ɵinterpolation3("", $foo$, "-", $bar$, "-", $baz$, ""));
}
}
function MyComponent_div_Template_3(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "div");
$r3$.ɵtext(1);
$r3$.ɵtemplate(2, MyComponent_div_span_Template_2, 2, 3, null, $c2$);
$r3$.ɵelement(3, "span", null, $c4$);
$r3$.ɵelementEnd();
}
if (rf & 2) {
const $bar$ = $r3$.ɵreference(4);
$r3$.ɵnextContext();
const $foo$ = $r3$.ɵreference(1);
$r3$.ɵtextBinding(1, $r3$.ɵinterpolation2(" ", $foo$, "-", $bar$, " "));
}
}
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 6,
vars: 1,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "div", null, $c1$);
$r3$.ɵtext(2);
$r3$.ɵtemplate(3, MyComponent_div_Template_3, 5, 2, null, $c2$);
$r3$.ɵelement(4, "div", null, $c3$);
}
if (rf & 2) {
const $foo$ = $r3$.ɵreference(1);
$r3$.ɵtextBinding(2, $r3$.ɵinterpolation1(" ", $foo$, " "));
}
},
directives:[IfDirective]
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Incorrect MyComponent.ngComponentDef');
});
it('should support local refs mixed with context assignments', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
template: \`
<div *ngFor="let item of items">
<div #foo></div>
<span *ngIf="showing">
{{ foo }} - {{ item }}
</span>
</div>\`
})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
};
const template = `
const $c0$ = ["ngFor", "" , ${AttributeMarker.SelectOnly}, "ngForOf"];
const $c1$ = ["foo", ""];
const $c2$ = [${AttributeMarker.SelectOnly}, "ngIf"];
function MyComponent_div_span_Template_3(rf, ctx) {
if (rf & 1) {
$i0$.ɵelementStart(0, "span");
$i0$.ɵtext(1);
$i0$.ɵelementEnd();
}
if (rf & 2) {
const $item$ = $i0$.ɵnextContext().$implicit;
const $foo$ = $i0$.ɵreference(2);
$i0$.ɵtextBinding(1, $i0$.ɵinterpolation2(" ", $foo$, " - ", $item$, " "));
}
}
function MyComponent_div_Template_0(rf, ctx) {
if (rf & 1) {
$i0$.ɵelementStart(0, "div");
$i0$.ɵelement(1, "div", null, $c1$);
$i0$.ɵtemplate(3, MyComponent_div_span_Template_3, 2, 2, null, $c2$);
$i0$.ɵelementEnd();
}
if (rf & 2) {
const $app$ = $i0$.ɵnextContext();
$i0$.ɵelementProperty(3, "ngIf", $i0$.ɵbind($app$.showing));
}
}
// ...
template:function MyComponent_Template(rf, ctx){
if (rf & 1) {
$i0$.ɵtemplate(0, MyComponent_div_Template_0, 4, 1, null, $c0$);
}
if (rf & 2) {
$i0$.ɵelementProperty(0, "ngForOf", $i0$.ɵbind(ctx.items));
}
}`;
const result = compile(files, angularFiles);
expectEmit(result.source, template, 'Incorrect template');
});
describe('lifecycle hooks', () => {
const files = {
app: {
'spec.ts': `
import {Component, Input, NgModule} from '@angular/core';
let events: string[] = [];
@Component({selector: 'lifecycle-comp', template: ''})
export class LifecycleComp {
@Input('name') nameMin: string;
ngOnChanges() { events.push('changes' + this.nameMin); }
ngOnInit() { events.push('init' + this.nameMin); }
ngDoCheck() { events.push('check' + this.nameMin); }
ngAfterContentInit() { events.push('content init' + this.nameMin); }
ngAfterContentChecked() { events.push('content check' + this.nameMin); }
ngAfterViewInit() { events.push('view init' + this.nameMin); }
ngAfterViewChecked() { events.push('view check' + this.nameMin); }
ngOnDestroy() { events.push(this.nameMin); }
}
@Component({
selector: 'simple-layout',
template: \`
<lifecycle-comp [name]="name1"></lifecycle-comp>
<lifecycle-comp [name]="name2"></lifecycle-comp>
\`
})
export class SimpleLayout {
name1 = '1';
name2 = '2';
}
@NgModule({declarations: [LifecycleComp, SimpleLayout]})
export class LifecycleModule {}
`
}
};
it('should gen hooks with a few simple components', () => {
const LifecycleCompDefinition = `
LifecycleComp.ngComponentDef = $r3$.ɵdefineComponent({
type: LifecycleComp,
selectors: [["lifecycle-comp"]],
factory: function LifecycleComp_Factory(t) { return new (t || LifecycleComp)(); },
inputs: {nameMin: "name"},
features: [$r3$.ɵPublicFeature, $r3$.ɵNgOnChangesFeature],
consts: 0,
vars: 0,
template: function LifecycleComp_Template(rf, ctx) {}
});`;
const SimpleLayoutDefinition = `
SimpleLayout.ngComponentDef = $r3$.ɵdefineComponent({
type: SimpleLayout,
selectors: [["simple-layout"]],
factory: function SimpleLayout_Factory(t) { return new (t || SimpleLayout)(); },
features: [$r3$.ɵPublicFeature],
consts: 2,
vars: 2,
template: function SimpleLayout_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelement(0, "lifecycle-comp", $e0_attrs$);
$r3$.ɵelement(1, "lifecycle-comp", $e1_attrs$);
}
if (rf & 2) {
$r3$.ɵelementProperty(0, "name", $r3$.ɵbind(ctx.name1));
$r3$.ɵelementProperty(1, "name", $r3$.ɵbind(ctx.name2));
}
},
directives: [LifecycleComp]
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, LifecycleCompDefinition, 'Invalid LifecycleComp definition');
expectEmit(source, SimpleLayoutDefinition, 'Invalid SimpleLayout definition');
});
});
describe('template variables', () => {
const shared = {
shared: {
'for_of.ts': `
import {Directive, Input, SimpleChanges, TemplateRef, ViewContainerRef} from '@angular/core';
export interface ForOfContext {
$implicit: any;
index: number;
even: boolean;
odd: boolean;
}
@Directive({selector: '[forOf]'})
export class ForOfDirective {
private previous: any[];
constructor(private view: ViewContainerRef, private template: TemplateRef<any>) {}
@Input() forOf: any[];
ngOnChanges(simpleChanges: SimpleChanges) {
if ('forOf' in simpleChanges) {
this.update();
}
}
ngDoCheck(): void {
const previous = this.previous;
const current = this.forOf;
if (!previous || previous.length != current.length ||
previous.some((value: any, index: number) => current[index] !== previous[index])) {
this.update();
}
}
private update() {
// TODO(chuckj): Not implemented yet
// this.view.clear();
if (this.forOf) {
const current = this.forOf;
for (let i = 0; i < current.length; i++) {
const context = {$implicit: current[i], index: i, even: i % 2 == 0, odd: i % 2 == 1};
// TODO(chuckj): Not implemented yet
// this.view.createEmbeddedView(this.template, context);
}
this.previous = [...this.forOf];
}
}
}
`
}
};
it('should support embedded views in the SVG namespace', () => {
const files = {
app: {
...shared,
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {ForOfDirective} from './shared/for_of';
@Component({
selector: 'my-component',
template: \`<svg><g *for="let item of items"><circle></circle></g></svg>\`
})
export class MyComponent {
items = [{ data: 42 }, { data: 42 }];
}
@NgModule({
declarations: [MyComponent, ForOfDirective]
})
export class MyModule {}
`
}
};
// TODO(benlesh): Enforce this when the directives are specified
const ForDirectiveDefinition = `
ForOfDirective.ngDirectiveDef = $r3$.ɵdefineDirective({
type: ForOfDirective,
selectors: [["", "forOf", ""]],
factory: function ForOfDirective_Factory(t) {
return new (t || ForOfDirective)($r3$.ɵinjectViewContainerRef(), $r3$.ɵinjectTemplateRef());
},
features: [$r3$.ɵPublicFeature, $r3$.ɵNgOnChangesFeature],
inputs: {forOf: "forOf"}
});
`;
const MyComponentDefinition = `
const $t1_attrs$ = ["for", "", ${AttributeMarker.SelectOnly}, "forOf"];
function MyComponent__svg_g_Template_1(rf, ctx) {
if (rf & 1) {
$r3$.ɵnamespaceSVG();
$r3$.ɵelementStart(0,"g");
$r3$.ɵelement(1,"circle");
$r3$.ɵelementEnd();
}
}
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 2,
vars: 1,
template: function MyComponent_Template(rf, ctx){
if (rf & 1) {
$r3$.ɵnamespaceSVG();
$r3$.ɵelementStart(0,"svg");
$r3$.ɵtemplate(1, MyComponent__svg_g_Template_1, 2, 0, null, $t1_attrs$);
$r3$.ɵelementEnd();
}
if (rf & 2) { $r3$.ɵelementProperty(1,"forOf",$r3$.ɵbind(ctx.items)); }
},
directives: function() { return [ForOfDirective]; }
});
`;
const result = compile(files, angularFiles);
const source = result.source;
// TODO(benlesh): Enforce this when the directives are specified
// expectEmit(source, ForDirectiveDefinition, 'Invalid directive definition');
expectEmit(source, MyComponentDefinition, 'Invalid component definition');
});
it('should support a let variable and reference', () => {
const files = {
app: {
...shared,
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {ForOfDirective} from './shared/for_of';
@Component({
selector: 'my-component',
template: \`<ul><li *for="let item of items">{{item.name}}</li></ul>\`
})
export class MyComponent {
items = [{name: 'one'}, {name: 'two'}];
}
@NgModule({
declarations: [MyComponent, ForOfDirective]
})
export class MyModule {}
`
}
};
// TODO(chuckj): Enforce this when the directives are specified
const ForDirectiveDefinition = `
ForOfDirective.ngDirectiveDef = $r3$.ɵdefineDirective({
type: ForOfDirective,
selectors: [["", "forOf", ""]],
factory: function ForOfDirective_Factory(t) {
return new (t || ForOfDirective)($r3$.ɵinjectViewContainerRef(), $r3$.ɵinjectTemplateRef());
},
features: [$r3$.ɵPublicFeature, $r3$.ɵNgOnChangesFeature],
inputs: {forOf: "forOf"}
});
`;
const MyComponentDefinition = `
const $t1_attrs$ = ["for", "", ${AttributeMarker.SelectOnly}, "forOf"];
function MyComponent_li_Template_1(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "li");
$r3$.ɵtext(1);
$r3$.ɵelementEnd();
}
if (rf & 2) {
const $item$ = ctx.$implicit;
$r3$.ɵtextBinding(1, $r3$.ɵinterpolation1("", $item$.name, ""));
}
}
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 2,
vars: 1,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "ul");
$r3$.ɵtemplate(1, MyComponent_li_Template_1, 2, 1, null, $t1_attrs$);
$r3$.ɵelementEnd();
}
if (rf & 2) {
$r3$.ɵelementProperty(1, "forOf", $r3$.ɵbind(ctx.items));
}
},
directives: function() { return [ForOfDirective]; }
});
`;
const result = compile(files, angularFiles);
const source = result.source;
// TODO(chuckj): Enforce this when the directives are specified
// expectEmit(source, ForDirectiveDefinition, 'Invalid directive definition');
expectEmit(source, MyComponentDefinition, 'Invalid component definition');
});
it('should support accessing parent template variables', () => {
const files = {
app: {
...shared,
'spec.ts': `
import {Component, NgModule} from '@angular/core';
import {ForOfDirective} from './shared/for_of';
@Component({
selector: 'my-component',
template: \`
<ul>
<li *for="let item of items">
<div>{{item.name}}</div>
<ul>
<li *for="let info of item.infos">
{{item.name}}: {{info.description}}
</li>
</ul>
</li>
</ul>\`
})
export class MyComponent {
items = [
{name: 'one', infos: [{description: '11'}, {description: '12'}]},
{name: 'two', infos: [{description: '21'}, {description: '22'}]}
];
}
@NgModule({
declarations: [MyComponent, ForOfDirective]
})
export class MyModule {}
`
}
};
const MyComponentDefinition = `
const $t4_attrs$ = ["for", "", ${AttributeMarker.SelectOnly}, "forOf"];
function MyComponent_li_li_Template_4(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "li");
$r3$.ɵtext(1);
$r3$.ɵelementEnd();
}
if (rf & 2) {
const $info$ = ctx.$implicit;
const $item$ = $r3$.ɵnextContext().$implicit;
$r3$.ɵtextBinding(1, $r3$.ɵinterpolation2(" ", $item$.name, ": ", $info$.description, " "));
}
}
function MyComponent_li_Template_1(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "li");
$r3$.ɵelementStart(1, "div");
$r3$.ɵtext(2);
$r3$.ɵelementEnd();
$r3$.ɵelementStart(3, "ul");
$r3$.ɵtemplate(4, MyComponent_li_li_Template_4, 2, 2, null, $t4_attrs$);
$r3$.ɵelementEnd();
$r3$.ɵelementEnd();
}
if (rf & 2) {
const $item$ = ctx.$implicit;
$r3$.ɵtextBinding(2, $r3$.ɵinterpolation1("", IDENT.name, ""));
$r3$.ɵelementProperty(4, "forOf", $r3$.ɵbind(IDENT.infos));
}
}
MyComponent.ngComponentDef = $r3$.ɵdefineComponent({
type: MyComponent,
selectors: [["my-component"]],
factory: function MyComponent_Factory(t) { return new (t || MyComponent)(); },
features: [$r3$.ɵPublicFeature],
consts: 2,
vars: 1,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵelementStart(0, "ul");
$r3$.ɵtemplate(1, MyComponent_li_Template_1, 5, 2, null, $c1$);
$r3$.ɵelementEnd();
}
if (rf & 2) {
$r3$.ɵelementProperty(1, "forOf", $r3$.ɵbind(ctx.items));
}
},
directives: function () { return [ForOfDirective]; }
});`;
const result = compile(files, angularFiles);
const source = result.source;
expectEmit(source, MyComponentDefinition, 'Invalid component definition');
});
});
});
describe('inherited bare classes', () => {
it('should add ngBaseDef if one or more @Input is present', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, Input} from '@angular/core';
export class BaseClass {
@Input()
input1 = 'test';
@Input('alias2')
input2 = 'whatever';
}
@Component({
selector: 'my-component',
template: \`<div>{{input1}} {{input2}}</div>\`
})
export class MyComponent extends BaseClass {
}
@NgModule({
declarations: [MyComponent]
})
export class MyModule {}
`
}
};
const expectedOutput = `
// ...
BaseClass.ngBaseDef = i0.ɵdefineBase({
inputs: {
input1: "input1",
input2: ["alias2", "input2"]
}
});
// ...
`;
const result = compile(files, angularFiles);
expectEmit(result.source, expectedOutput, 'Invalid base definition');
});
it('should add ngBaseDef if one or more @Output is present', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, Output, EventEmitter} from '@angular/core';
export class BaseClass {
@Output()
output1 = new EventEmitter<string>();
@Output()
output2 = new EventEmitter<string>();
clicked() {
this.output1.emit('test');
this.output2.emit('test');
}
}
@Component({
selector: 'my-component',
template: \`<button (click)="clicked()">Click Me</button>\`
})
export class MyComponent extends BaseClass {
}
@NgModule({
declarations: [MyComponent]
})
export class MyModule {}
`
}
};
const expectedOutput = `
// ...
BaseClass.ngBaseDef = i0.ɵdefineBase({
outputs: {
output1: "output1",
output2: "output2"
}
});
// ...
`;
const result = compile(files, angularFiles);
expectEmit(result.source, expectedOutput, 'Invalid base definition');
});
it('should add ngBaseDef if a mixture of @Input and @Output props are present', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, Input, Output, EventEmitter} from '@angular/core';
export class BaseClass {
@Output()
output1 = new EventEmitter<string>();
@Output()
output2 = new EventEmitter<string>();
@Input()
input1 = 'test';
@Input('whatever')
input2 = 'blah';
clicked() {
this.output1.emit('test');
this.output2.emit('test');
}
}
@Component({
selector: 'my-component',
template: \`<button (click)="clicked()">Click Me</button>\`
})
export class MyComponent extends BaseClass {
}
@NgModule({
declarations: [MyComponent]
})
export class MyModule {}
`
}
};
const expectedOutput = `
// ...
BaseClass.ngBaseDef = i0.ɵdefineBase({
inputs: {
input1: "input1",
input2: ["whatever", "input2"]
},
outputs: {
output1: "output1",
output2: "output2"
}
});
// ...
`;
const result = compile(files, angularFiles);
expectEmit(result.source, expectedOutput, 'Invalid base definition');
});
it('should NOT add ngBaseDef if @Component is present', () => {
const files = {
app: {
'spec.ts': `
import {Component, NgModule, Output, EventEmitter} from '@angular/core';
@Component({
selector: 'whatever',
template: '<button (click)="clicked()">Click {{input1}}</button>'
})
export class BaseClass {
@Output()
output1 = new EventEmitter<string>();
@Input()
input1 = 'whatever';
clicked() {
this.output1.emit('test');
}
}
@Component({
selector: 'my-component',
template: \`<div>What is this developer doing?</div>\`
})
export class MyComponent extends BaseClass {
}
@NgModule({
declarations: [MyComponent]
})
export class MyModule {}
`
}
};
const result = compile(files, angularFiles);
expect(result.source).not.toContain('ngBaseDef');
});
it('should NOT add ngBaseDef if @Directive is present', () => {
const files = {
app: {
'spec.ts': `
import {Component, Directive, NgModule, Output, EventEmitter} from '@angular/core';
@Directive({
selector: 'whatever',
})
export class BaseClass {
@Output()
output1 = new EventEmitter<string>();
@Input()
input1 = 'whatever';
clicked() {
this.output1.emit('test');
}
}
@Component({
selector: 'my-component',
template: '<button (click)="clicked()">Click {{input1}}</button>'
})
export class MyComponent extends BaseClass {
}
@NgModule({
declarations: [MyComponent]
})
export class MyModule {}
`
}
};
const result = compile(files, angularFiles);
expect(result.source).not.toContain('ngBaseDef');
});
});
});